DIFF Subgroup
H01M 4/502 Full Title
Electrodes > Electrodes composed of, or comprising, active material > Selection of substances as active materials, active masses, active liquids > of inorganic oxides or hydroxides > of manganese
H01M 4/502 Electrodes > Electrodes composed of, or comprising, active material > Selection of substances as active materials, active masses, active liquids > of inorganic oxides or hydroxides > of manganese